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package servlets;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import presenter.Presenter;

/**
 *
 * @author root
 */
public class SendMessage extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        doPost(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        HttpSession session = request.getSession();
        int scrollY = Integer.parseInt(request.getParameter("scrollYInputSendMsg"));
        session.setAttribute("scrollY", ""+scrollY);
        session.setAttribute("messageToSend", "");
        Map<String, String> Onglets = (HashMap<String, String>) session.getAttribute("Onglets");
        String myLogin = (String) session.getAttribute("login");
        String dest = request.getParameter("dest");
        String message = request.getParameter("messageToSendArea");
        Map<String, String> conversation = (HashMap<String, String>) session.getAttribute("conversation");
        boolean ok = !dest.equals("Home");
        
        if(ok) {
            Presenter.saveMessage(myLogin, dest, message);
        }

        boolean existe = false;
        String conv = "";
        for (Entry<String, String> entry : conversation.entrySet()) {
            if (dest.equals(entry.getKey()) && ok) {
                conv = entry.getValue();
                conv = conv + "me : " + message + "<br>";
                existe = true;
            }
        }
        if (!existe && ok) {
            conv = conv + "me : " + message + "<br>";
        }
        conversation.put(dest, conv);
        Onglets.put(dest, conv);
        session.setAttribute("conversation", conversation);
        session.setAttribute("Onglets", Onglets);
        session.setAttribute("ongletActif", dest);
        HttpSession destSession = null;
        existe = false;
        for (int i = 0; i < ConnectedServlet.sessions.size(); i++) {
            if (dest.equals(ConnectedServlet.sessions.get(i).getAttribute("login"))) {
                destSession = ConnectedServlet.sessions.get(i);
                existe = true;
            }
        }
        if (existe && ok) {
            Map<String, String> destOnglets = (HashMap<String, String>) destSession.getAttribute("Onglets");
            Map<String, String> destConversation = (HashMap<String, String>) destSession.getAttribute("conversation");
            boolean destExiste = false;
            String destConv = "";
            for (Entry<String, String> entry : destConversation.entrySet()) {
                if (myLogin.equals(entry.getKey())) {
                    destConv = entry.getValue();
                    destConv = destConv + " " + myLogin + " : " + message + "<br>";
                    destExiste = true;
                }
            }
            if (!destExiste) {
                destConv = destConv + " " + myLogin + " : " + message + "<br>";
            }
            destConversation.put(myLogin, destConv);
            destOnglets.put(myLogin, destConv);
            destSession.setAttribute("conversation", destConversation);
            destSession.setAttribute("Onglets", destOnglets);

            ArrayList<String> newMessage = (ArrayList<String>) destSession.getAttribute("newMessage");
            int i = 0;
            boolean trouve = false;
            while (i < newMessage.size() && !trouve) {
                if (newMessage.get(i).equals(myLogin)) {
                    trouve = true;
                }
            }
            if (!trouve) {
                newMessage.add(myLogin);
            }
            destSession.setAttribute("newMessage", newMessage);
        }

        session.setAttribute("Onglets", Onglets);
        request.setAttribute("filesent", "");
        request.setAttribute("waitingFile", Presenter.getWaitingFile(myLogin));

        request.setAttribute("thisSession", session);
        RequestDispatcher d = request.getRequestDispatcher("/WEB-INF/connected.jsp");
        d.forward(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
